[Samba] [samba] Problem migrate samba 3 (based on clearos 5.2) into new samba 4 server

[Zhia Chandra]

hii all

i still have a problem migrating my samba3 base on clearos 5.2 into new
samba 4 machice in centos6.4


some error messege while running classicupgrade :

[root at pdc /]# /usr/local/samba/bin/samba-tool domain classicupgrade
--dbdir=/var/lib/samba  --use-xattrs=yes
--realm=terminix.co.id/etc/samba/smb.conf
Reading smb.conf
WARNING: The "idmap backend" option is deprecated
WARNING: The "idmap uid" option is deprecated
WARNING: The "idmap gid" option is deprecated
Unknown parameter encountered: "idmap alloc backend"
Ignoring unknown parameter "idmap alloc backend"
WARNING: Ignoring invalid value 'cups' for parameter 'printing'
Unknown parameter encountered: "force directory security mode"
Ignoring unknown parameter "force directory security mode"
NOTE: Service profiles is flagged unavailable.
Provisioning
Failed to issue the StartTLS instruction: Protocol error
Connection to LDAP server failed for the 1 try!
pdb_init_ldapsam: WARNING: Could not get domain info, nor add one to the
domain. We cannot work reliably without it.
pdb backend ldapsam:ldap://127.0.0.1 did not correctly init (error was
NT_STATUS_CANT_ACCESS_DOMAIN_INFO)
ERROR(<class 'passdb.error'>): uncaught exception - Cannot load backend
methods for 'ldapsam:ldap://127.0.0.1' backend
(-1073741606,NT_STATUS_CANT_ACCESS_DOMAIN_INFO)
  File
"/usr/local/samba/lib64/python2.6/site-packages/samba/netcmd/__init__.py",
line 175, in _run
    return self.run(*args, **kwargs)
  File
"/usr/local/samba/lib64/python2.6/site-packages/samba/netcmd/domain.py",
line 1318, in run
    useeadb=eadb, dns_backend=dns_backend, use_ntvfs=use_ntvfs)
  File "/usr/local/samba/lib64/python2.6/site-packages/samba/upgrade.py",
line 615, in upgrade_from_samba3
    s3db = samba3.get_sam_db()
  File
"/usr/local/samba/lib64/python2.6/site-packages/samba/samba3/__init__.py",
line 394, in get_sam_db
    return passdb.PDB(self.lp.get('passdb backend'))

can somebody helpme to undestand this error

-- 

Thx & Warm regards
Zhia Chandra